Home / 3,987,792.80-5,977,801.20-2,280,183.20

Finding the Fourth Proportional to 3,987,792.80, 5,977,801.20 and 2,280,183.20

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Solution

The fourth proportional to 3,987,792.80, 5,977,801.20 and 2,280,183.20 is: 3,418,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,792.80 : 5,977,801.20 = 2,280,183.20 : x
  2. Step 2: Convert to fraction form
    3,987,792.80/5,977,801.20 = 2,280,183.20/x
  3. Step 3: Cross multiply
    3,987,792.80x = 5,977,801.20 × 2,280,183.20
  4. Step 4: Simplify right side
    3,987,792.80x = 13,630,481,869,179.84
  5. Step 5: Solve for x
    x = 13,630,481,869,179.84/3,987,792.80
  6. Step 6: Final answer
    x = 3,418,051.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.